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Relevant bibliographies by topics / Relative stereochemistry

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Academic literature on the topic 'Relative stereochemistry'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Relative stereochemistry"

1

Zheng, Wanjun, John A. DeMattei, Jiang-Ping Wu, et al. "Complete Relative Stereochemistry of Maitotoxin." Journal of the American Chemical Society 118, no. 34 (1996): 7946–68. http://dx.doi.org/10.1021/ja961230+.

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2

Smith, Amos B., Joseph Barbosa, Nobuo Hosokawa, Hiroshi Naganawa, and Tomio Takeuchi. "(+)-Thiazinotrienomycin E: Relative and absolute stereochemistry." Tetrahedron Letters 39, no. 19 (1998): 2891–94. http://dx.doi.org/10.1016/s0040-4039(98)00426-2.

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Pirrung, Michael C., Yong Rok Lee, Andrew T. Morehead, and Andrew T. McPhail. "Revised Relative and Absolute Stereochemistry of (+)-Purpurin." Journal of Natural Products 61, no. 1 (1998): 89–91. http://dx.doi.org/10.1021/np970366y.

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4

Dormer, Peter G., Amos B. Smith, Shinji Funayama, and Satoshi Omura. "Furaquinocins A-G: relative and absolute stereochemistry." Tetrahedron Letters 33, no. 13 (1992): 1717–20. http://dx.doi.org/10.1016/s0040-4039(00)91714-3.

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Burns, CJ, M. Gill, and A. Gimenez. "Pigments of Fungi. XXIV. New Trihydroxylated Tetrahydroanthraquinones From an Australian Fungus Belonging to the Genus Dermocybe." Australian Journal of Chemistry 44, no. 12 (1991): 1729. http://dx.doi.org/10.1071/ch9911729.

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The pigments (9)-(11), the first trihydroxylated tetrahydroanthraquinones from Basidiomycetes, are isolated from an Australian toadstool belonging to the genus Dermocybe and the structure and relative stereochemistry of each one is established by spectroscopy. The absolute stereochemistry of each pigment is determined by synthesis from dihydroxylated tetrahydroanthraquinones of known absolute configuration.

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6

Bowden, BF, JC Coll, LM Engelhardt, et al. "Studies of Australian Soft Corals .XXXVII. The Structure Determination of 2 Cembranolide Diterpenes From Soft Corals of the Genus Efflatounaria (Coelenterata, Octocorallia, Alcyonacea)." Australian Journal of Chemistry 39, no. 1 (1986): 123. http://dx.doi.org/10.1071/ch9860123.

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Two isomeric 7,8-epoxycembra-3,11,15-trien-16,2-olides have been isolated from different species of the soft coral genus Efflatounaria. The structure of each was deduced spectroscopically , and the relative stereochemistry of one was determined by X-ray crystallography. The absolute stereochemistry of each cembranolide was obtained by chemical correlation with known compounds.

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Bali, DKL, V. Liokas, MJ Garson, and DJ Faulkner. "Structural and Stereochemical Studies on Brominated Meroterpenoids From the Dictyoceratid Sponge Cacospongia sp." Australian Journal of Chemistry 43, no. 12 (1990): 2009. http://dx.doi.org/10.1071/ch9902009.

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The structures of seven minor metabolites, (5)-(11), from the encrusting sponge Cacospongia sp. Were deduced by 1H, 13C and mass spectrometric data. Compounds (5)-(7) are hydroxy derivatives of the previously isolated tribromocacoxanthene (1); their relative stereochemistry was determined from 1H-1H coupling information. Compounds (8)-(11) represent an alternative cyclization mode of a cyclocymopol-related precursor (15) and possess a spiro-fused bicyclic ring system; the relative stereochemistry of (8)-(10) was deduced by 1H n.O.e. difference spectroscopy. The biological role of brominated me

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8

Wang, Xiaojuan, and Mark T. Hamann. "Integrated X-Ray, NMR, ECD, and Computational Approaches to Assign the Stereochemistry of Nortriterpenoids." Natural Product Communications 14, no. 5 (2019): 1934578X1984931. http://dx.doi.org/10.1177/1934578x19849311.

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Highly oxygenated nortriterpenoids are the principle bioactive chemical constituents isolated from plants of the genera Schisandra and Kadsura. The stereochemistry of these molecules remains a highly challenging problem to solve. To establish the stereochemistry and develop a general nuclear magnetic resonance-electric circular dichroism-computational approach to solve these complex metabolites, we reviewed the published methods to solve the stereochemistry of these triterpenoids. A key goal of this review is to provide a protocol to solve the problems hampering the assignment of the relative

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9

Bisio, Angela, Bruno Pagano, Alessia Romussi, et al. "Relative Stereochemistry of a Diterpene from Salvia cinnabarina." Molecules 12, no. 10 (2007): 2279–87. http://dx.doi.org/10.3390/12102279.

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10

Smith, Amos B., John L. Wood, and Satoshi Ōmura. "(+)-Mycotrienins I and II: Relative and Absolute Stereochemistry." Tetrahedron Letters 32, no. 7 (1991): 841–42. http://dx.doi.org/10.1016/s0040-4039(00)92099-9.

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Dissertations / Theses on the topic "Relative stereochemistry"

1

Kennedy, D. A. "Crystallographic studies of relative and absolute stereochemistry." Thesis, Queen's University Belfast, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373533.

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McLamore, Dolores Sherita. "Determination of the relative stereochemistry of adducts resulting from the addition lithium dienolates to Michael acceptors." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43137.

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The addition of the lithium dienolate of ethyl crotonate to 2-cyclopentenone was studied to determine the stereochemical outcome of this Michael addition. Proof of the stereochemistry was provided via the unambiguous synthesis and comparison of ketone 73 from norcamphor 85.<br>Master of Science

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3

Dorrity, Michael R. J. "Crystallographic studies of relative and absolute stereochemistry in cycloadducts and arene metabolites." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317502.

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Neimert-Andersson, Kristina. "Synthesis of Novel Polyhydroxyl Surfactants. Influence of the Relative Stereochemistry on Surfactant Properties." Licentiate thesis, KTH, Chemistry, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1687.

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<p>This thesis deals with the synthesis and characterization ofnovel polyhydroxyl surfactants. The first part describes thesynthesis of a number of stereoisomers of a polyhydroxylsurfactant, and the second part concerns surface chemicalcharacterization.</p><p>A stereodivergent route for preparation of the hydrophilichead group was developed, featuring consecutive stereoselectivedihydroxylations of a diene. This afforded in total fourdifferent polyhydroxyl head groups. These surfactant headgroups were natural and unnatural sugar analogues, and wereused for the coupling with two different hydrop

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5

Evans, Timothy Arthur. "Crystallographic studies of relative and absolute stereochemistry in substituted arenes and arene metababolites." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241391.

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6

Dumas, Françoise. "Approches stéréoselectives d'antibiotiques de type carbapénème, thiénamycine et dérivés : contrôle relatif des centres asymétriques, construction du squelette bicyclique." Paris 6, 1987. http://www.theses.fr/1987PA066686.

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VICHARD, DOMINIQUE. "Modification de bioligands par des complexes de metaux de transition (fer et ruthenium) : etude des relations structure-affinite de ces nouveaux derives hormonaus." Paris 6, 1991. http://www.theses.fr/1991PA066654.

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Dans le cadre de l'etude des recepteurs de l'stradiol par voie organometallique, nous avons introduit un fragment cp*ru (cp*:pentamethylcyclopentadienyle) sur le cycle a de l'hormone naturelle. Deux methodes de synthese ont ete envisagees conduisant selectivement a la formation des derives phenoliques (,)-cp*ru(#6-stradiol) cf#3so#3 (1a,1b) ou d'un melange d'especes de type phenolique et dienonique (,)-cp*ru(stradienonyl). Le comportement de ces differents complexes en solution a ete discute. La structure cristalline de 1a est un reseau infini de molecules liees entre elles par des liaisons hy

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Books on the topic "Relative stereochemistry"

1

Kennedy, Deirdre Anne. Crystallographic studies of relative and absolute stereochemistry. 1985.

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2

Differentiation and Specificity of Starches in Relation to Genera, Species, etc. ; Stereochemistr. Creative Media Partners, LLC, 2022.

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Differentiation and Specificity of Starches in Relation to Genera, Species, etc. ; Stereochemistr. Creative Media Partners, LLC, 2022.

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4

Reichert, Edward Tyson. The Differentiation And Specificity Of Starches In Relation To Genera, Species, Etc: Stereochemistry Applied To Protoplasmic Processes And Products, ... Of Plants And Animals, Issue 173, Volume 2. Arkose Press, 2015.

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5

Reichert, Edward Tyson. The Differentiation And Specificity Of Starches In Relation To Genera, Species, Etc: Stereochemistry Applied To Protoplasmic Processes And Products, ... Of Plants And Animals, Issue 173, Part 2. Arkose Press, 2015.

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6

Naray-Szabo, G. Naray. Steric Aspects of Biomolecular Interactions. Taylor & Francis Group, 2018.

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7

Naray-Szabo, G. Naray. Steric Aspects of Biomolecular Interactions. Taylor & Francis Group, 2018.

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8

Steric Aspects of Biomolecular Interactions. Taylor & Francis Group, 2017.

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Book chapters on the topic "Relative stereochemistry"

1

Tsukano, Chihiro, Motohiro Yasui, and Yoshiji Takemoto. "Total Synthesis of Avenaol." In Modern Natural Product Synthesis. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1619-7_18.

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AbstractAvenaol is a terpene with a unique all-cis cyclopropane in which all bulky substituents are oriented in the same direction. It is categorized into a non-canonical strigolactone. We have synthesized alkylidenecyclopropanes by Rh-catalyzed intramolecular cyclopropanation of allenes, followed by iridium-catalyzed diastereoselective double bond isomerization to construct all-cis cyclopropanes. Subsequently, distinction of the two hydroxymethyl groups of 1,3-diol by an intramolecular SN1-type reaction, followed by cleavage of the tetrahydropyranyl ring by regioselective C–H oxidation, led t

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2

Mukaiyama, Teruaki. "The stereoselective synthesis of carbohydrate0073." In Challenges in Synthetic Organic Chemistry. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198556442.003.0013.

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Abstract In the previous chapter, our work in the area of asymmetric synthesis was described, where the concept of ‘synthetic control’ served to realize the regulation of absolute stereochemistry in organic reactions. In this chapter, an account of our efforts to achieve control over relative stereochemistry in organic reactions will be given, aimed at the synthesis of carbohydrates. My interest in carbohydrates had been initiated while working on glycosylation reactions using the onium salts of aza-aromatics. A new research programme does not suddenly come about without any experience in that

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3

Paquette, L. A., and P. C. Astles,. "Total Synthesis of (+)-Acerosolide." In Exercises in Synthetic Organic Chemistry. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198559443.003.0066.

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Abstract Discussion Points Treatment of aldehydes with allylstannane 1 in the presence of BF3 would normally afford branched homoallylic alcohols. Suggest a mechanism for the regiochemical outcome of the reaction run in step a What relative stereochemistry is to be expected from the Nozaki reaction of step I? Further Reading For a review on the Nozaki reaction, see: P. Cintas, Synthesis,1992, 248.

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4

Bansal, Anshul. "Stereochemistry of Organic Compounds-II." In Basics of Organic Chemistry: A Textbook for Undergraduate Students. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815223224124010007.

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This chapter continues the exploration of stereochemistry in organic compounds, focusing on detailed methods for describing and differentiating the spatial arrangement of atoms within molecules. It begins with absolute configuration, which provides a precise description of the spatial arrangement of atoms around a chiral center, independent of other molecules. Relative configuration is then discussed, explaining how the arrangement of atoms in one chiral molecule relates to another, often determined through chemical interconversion. The D-L system, a traditional method for denoting configurati

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5

Booker-Milburn, K. I., and J. K. Cowell,. "Approach Towards the Asteriscanolide Skeleton." In Exercises in Synthetic Organic Chemistry. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198559443.003.0054.

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Abstract Discussion Points What is the mechanism of the photolysis step c? What dictates the relative stereochemistry of the product 4? Propose a mechanism for the rearrangement sequence leading to the epimeric cyclooctanones 8 and 9. An attempt at oxidising the carboxylic acid 4 under the conditions reported in step e resulted in the formation of lactone 10. Rationalise the formation of this product bearing in mind the mechanism of this kind of oxidation.

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6

Zoretic, P. A., M. Wang, Y. Zhang, and Z. Shen,. "Total Synthesis of d,l-Isospongiadiol." In Exercises in Synthetic Organic Chemistry. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198559443.003.0047.

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Abstract Discussion Points What kind of nOe would be expected to confirm the relative trans stereochemistry around the ring junctions in 5? Suggest a mechanism for the formation of the furan ring upon treatment of the epoxy-aldehyde derived from 7 with acid. What is the mechanism of the Rubottom oxidation? Further Reading For a review on manganese(lll)-based oxidative free-radical cyclisations, see: B. M. Snider, Chem. Rev.,1996, 96,339.

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7

"α-Substitution in Carbonyl Compounds and Derivatives." In The Chemistry of Carbonyl Compounds and Derivatives. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670888-00201.

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The discussion on the reactivity of carbonyl compounds is expanded by incorporating reactions which involve the position alpha to the carbonyl carbon. The α-alkylation of carbonyl compounds, enamines, and azaenolates derived from imines is presented and the regio- and stereochemical aspects are considered. We address the formation of enolates from aldehydes and ketones, and the corresponding aza analogs from imines and nitriles, emphasizing the structural and experimental conditions, which may discriminate between kinetic and thermodynamic products. Particular attention is paid to the aldol re

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8

"Conformation of Cyclic Compounds." In Introduction to Stereochemistry. The Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/9781788013154-00098.

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In most of the compounds we've studied so far, rotating around a bond has a relatively minor effect on the rest of the molecule. When we look at ring structures it's different. The geometrical constraints mean that a change in one place will have a big impact on other carbon atoms. Key to understanding this stereochemistry is the concept of ‘ring flip’. It may look at first sight as though we've just turned a molecule round or over, but in fact ring flip is an important change in conformation. If you use your molecular models and take time to understand, you'll really enjoy this fascinating ch

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9

Elliott, Mark C. "Properties of Stereoisomers." In How to Succeed in Organic Chemistry. Oxford University Press, 2020. http://dx.doi.org/10.1093/hesc/9780198851295.003.0058.

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In Basics 24 we saw some definitions that relate to stereochemistry. These primarily related to the structures of compounds. As we now start to talk about reactivity, we need to introduce definitions that relate to reactions. We will also take this opportunity to look at...

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10

Taber, Douglass F. "C–N Ring Construction: The Glorius Synthesis of ent-Monomorine." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0054.

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Ryan Gilmour of the Westfälische Wilhelms-Universität Münster employed (Chem. Eur. J. 2014, 20, 794) an organocatalyst to direct the enantioselective aziridination of 1 to 2. Vanessa Kar-Yan Lo and Chi-Ming Che of Hong Kong University devised (Angew. Chem. Int. Ed. 2014, 53, 2982) a Ru catalyst for the enantioselective aziridination (not illustrated) of terminal alkenes. Shu-Li You of the Shanghai Institute of Organic Chemistry and Aiwen Lei of Wuhan University described (Angew. Chem. Int. Ed. 2014, 53, 2443) the Pd-mediated carbonylation of 3 to the β-lactam 4. Professor You reported (J. Am.

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Conference papers on the topic "Relative stereochemistry"

1

Resende*, Gabriela da C., and Elson S. de Alvarenga. "Cycloadducts Synthesis and Relative Stereochemistry Determined by NMR and DFT-GIAO calculations." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_20139711943.

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2

Bešlo, D., M. Molnar, D. Agić, S. Roca, and B. Lučić. "THE PREDICTION ACCURACY OF 1H AND 13C NMR CHEMICAL SHIFTS OF COUMARIN DERIVATIVES BY CHEMO/BIOINFORMATICS METHODS." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac, 2021. http://dx.doi.org/10.46793/iccbi21.422b.

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In plant biochemistry and physiology, coumarins are known as antioxidants, enzyme inhibitors and precursors of toxic substances. Nuclear magnetic resonance (NMR) spectra are primary sources of molecular structural data. NMR provides detailed information about the local environment of the atom which can be used to determine the atomic connectivity, stereochemistry, and molecular conformation. For many years the molecular structure has been determined by NMR spectroscopy and chemical shifts are determined manually with the help of computer programs. However, recent progress in computational chem

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Reports on the topic "Relative stereochemistry"

1

สุวรรณบริรักษ์, คณิต, та สุรัตนา อำนวยผล. การศึกษาทางพฤกษเคมีของต้นข้าวหลาม : รายงานผลการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1996. https://doi.org/10.58837/chula.res.1996.14.

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ได้ทำการสกัดแยกสารจากเปลือกต้นข้าวหลาม Goniothalamus marcanii Craib โดยใช้วิธีทางโครมาโทกราฟีควบคู่ไปกับผลการทดสอบฤทธิ์ทางชีวภาพ ทำให้สามารถแยกสารได้ 4 กลุ่ม โดยการวิเคราะห์ข้อมูลจากสเปกโทรสโกปีเพื่อพิสูจน์สูตรโครงสร้างทางเคมีของสารที่แยกได้ ทำให้ทราบว่าสารทั้ง 4 กลุ่มคือ 1-azaanthraquinones, flavanoids, triterpenoids และ mono-THF annonaceous acetogenins โดยที่สารกลุ่ม 1-azaanthraquinoes ที่แยกได้เป็นสารชนิดใหม่ 1 ชนิด คือ marcanine C ร่วมกับสารที่ทราบสูตรโครงสร้างแล้ว 2 ชนิด คือ marcanine A และ dielsiquinone ส่วนสารกลุ่ม flavanoids ที่แยกได้เป็นสารที่ทราบสูตรโครงสร้างแล้ว 1 ชนิด คือ pinocembr

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